private async Task <IActionResult> CreateOrUpdate(GroupEditDto group) { var result = new ResultEntity(); if (ModelState.IsValid) { group.SetCreateOrUpdateInfo(CurrentUser.UserId); result = await _groupAppService.AddOrUpdateAsync(group); return(Json(result)); } result.Message = ModelState.Values .FirstOrDefault(a => a.ValidationState == ModelValidationState.Invalid)?.Errors.FirstOrDefault() ?.ErrorMessage; return(Json(result)); }